1st generation solar involves the use of sunlight to heat things- water pipes for hot water, heat sinks for heat storage, etc.
2nd generation solar is using sunlight to activate photovoltaic cells (solar panels) to generate electricity.
*think ENSL (applications found have an array of uses = MEGA $$$$)
Not sure yet if CSKH would qualify as 1st or 2nd generation
3rd generation solar is the generation of electricity and motor power from sunlight without the need for solar panels or other photovoltaics.
*KNSC's invention relates to reciprocal motion conversion to electricity and/or motive power from controlled sun and shade temperature differentials using liquid transfer phenomena and resulting weight shifting.
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